diff --git a/api/JoinPermanentChannel.lua b/api/JoinPermanentChannel.lua
index 492ed72..0397fed 100644
--- a/api/JoinPermanentChannel.lua
+++ b/api/JoinPermanentChannel.lua
@@ -1,10 +1,10 @@
 ---@diagnostic disable: missing-return, lowercase-global
 
 ---@param name string 
----@param password string 
----@param chatFrameIndex number 
----@param enableVoice boolean 
 ---@return number zoneChannel 
 ---@return string channelName 
 ---Joins a channel, saving associated chat window settings
+---@overload fun(name: string, password: string)
+---@overload fun(name: string, password: string, chatFrameIndex: number)
+---@overload fun(name: string, password: string, chatFrameIndex: number, enableVoice: boolean)
 function JoinPermanentChannel(name, password, chatFrameIndex, enableVoice) end
\ No newline at end of file
diff --git a/api/SendChatMessage.lua b/api/SendChatMessage.lua
index fdd9695..26ead21 100644
--- a/api/SendChatMessage.lua
+++ b/api/SendChatMessage.lua
@@ -17,6 +17,6 @@
 ---@param text string 
 ---@param chatType channel 
 ---Sends a chat message
----@overload fun(text: string, chatType: channel, languageIndex: number)
----@overload fun(text: string, chatType: channel, languageIndex: number, channel: string)
+---@overload fun(text: string, chatType: channel, languageIndex: number|nil)
+---@overload fun(text: string, chatType: channel, languageIndex: number|nil, channel: string)
 function SendChatMessage(text, chatType, languageIndex, channel) end
\ No newline at end of file
diff --git a/api/UnitCanAttack.lua b/api/UnitCanAttack.lua
index 6c1e94e..247817e 100644
--- a/api/UnitCanAttack.lua
+++ b/api/UnitCanAttack.lua
@@ -1,7 +1,7 @@
 ---@diagnostic disable: missing-return, lowercase-global
 
----@param unitA string 
----@param unitB string 
----@return number|nil canAttack 1 or nil
+---@param unitA string
+---@param unitB string
+---@return boolean canAttack
 ---Returns whether one unit can attack another
-function UnitCanAttack(unitA, unitB) end
\ No newline at end of file
+function UnitCanAttack(unitA, unitB) end
diff --git a/api/date.lua b/api/date.lua
index b55dc8c..77c40b9 100644
--- a/api/date.lua
+++ b/api/date.lua
@@ -1,7 +1,7 @@
 ---@diagnostic disable: missing-return, lowercase-global
 
 ---@param format string 
----@param time number 
 ---@return string or table dateValue 
 ---Returns a formatted date/time string for a date (or the current date). Alias to the standard library function os.date.
+---@overload fun(format: string, time: number)
 function date(format, time) end
\ No newline at end of file
diff --git a/api/tContains.lua b/api/tContains.lua
index b0ccd98..d4a974b 100644
--- a/api/tContains.lua
+++ b/api/tContains.lua
@@ -1,4 +1,7 @@
 ---@diagnostic disable: missing-return, lowercase-global
 
 
-function tContains() end
\ No newline at end of file
+---@param table table<any, any>
+---@param value any
+---@return number|nil 1 or nil
+function tContains(table, value) end
\ No newline at end of file